he'll be in front of the building directing new york city traffic. >> brian: the winner of the x factor will be joining us live. if you have to run from the tv, run to the radio. steve, you'll be joining me, right? >> steve: i will. weather alert. serious trouble for millions of americans hoping to travel for the holiday. check out the storm system. it is powerful. moving through the central part of u.s., upper plains. blizzard and winter storm warnings for nebraska and great lakes. deep south tornado sirens blaring. mobile, alabama, roofs have been ripped off, trees topple. a powerful storm moves through there. a warning in effect in mobile, alabama. i'm bill hemmer. welcome to "america's newsroom". martha: why don't we get normal weather. always something extreme. it is causing delays and cancellations. they're trying to get home. going through chicago o'hare's airport the nation's second busiest airport. they're having a tough time. live screen left, you see minneapolis. screen right you see storm damage where it already went through in mobile, alabama. could be a rough couple days o